Mattermost (plugins): Schwachstelle ermöglicht nicht spezifizierten Angriff
Affects Bundesamt für Sicherheit in der Informationstechnik MattermostSource GCVE Database
Not known to be exploited.
Data as of 30 Oct 2026, 06:59 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 22% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Exploitation evidence
Disclosed: evidence found.
CVE published 27 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Description
A vulnerability has been identified in Mattermost, a web-based instant messaging service, specifically related to its plugins. The exact nature and method of the attack enabled by this vulnerability are not specified in the available information. There are no known exploits in the wild at this time. No patch or remediation details have been provided by the vendor or authoritative sources. The vulnerability was published by the Bundesamt für Sicherheit in der Informationstechnik on April 27, 2026.